{"id":"CVE-2021-3352","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-3352","generatedAt":"2026-10-27T22:24:57.632Z","title":"The Software Development Kit in Mitel MiContact Center Business from 8.0.0.0 through 8.1.4.1 and 9.0.0.0 through 9.3.1.0 could allow an unauthenticated attacker to access (view and modify) user data without authorization due to improper handling of…","description":"The Software Development Kit in Mitel MiContact Center Business from 8.0.0.0 through 8.1.4.1 and 9.0.0.0 through 9.3.1.0 could allow an unauthenticated attacker to access (view and modify) user data without authorization due to improper handling of tokens.","published":"2021-08-13T16:15:08.000Z","lastModified":"2026-06-17T04:04:59.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":9.1,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"},"cwe":[],"affected":["mitel/micontact center business"],"epss":{"score":0.0104,"percentile":0.63772,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (1.04%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://www.mitel.com/support/security-advisories","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-21-0002","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://www.mitel.com/support/security-advisories","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-21-0002","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-3352","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}